Discover Tony Xu's journey from mowing lawns to founding DoorDash, transforming food delivery while overcoming obstacles and redefining logistics. Tony Xu was nine years old and mowing lawns for money when his family arrived in Champaign, Illinois from Nanjing, China. He and a friend would take on yards in the neighborhood and charge extra if the customer wanted a pattern cut into the grass, like a checkerboard. His mother, Julie Cao, had been a doctor in China. In Illinois she opened acupuncture and medical clinics. She also worked in…